Senior IOS Engineer

Ruby Labs Ltd.

Job Overview

Location

European Union

Job Type

Full-time

Full Job Description

📋 Description

• Develop and maintain a high-quality iOS application with a focus on performance, UI, and UX.
• Take ownership of development processes, ensuring clean, maintainable, and scalable code.
• Work with cross-functional teams to design, develop, and launch new features.
• Implement CI/CD pipelines and deployment best practices.
• Conduct code reviews and enforce coding standards.
• Profile and optimize app performance (memory, launch time, rendering, battery).
• Stay up to date with the latest iOS development trends and integrate relevant advancements.

🎯 Requirements

• 5+ years of professional iOS development experience.
• Experience with B2C mobile apps built on subscription business models.
• Expert proficiency in Swift (protocol-oriented design, generics, value semantics, async/await, structured concurrency, actors).

🏖️ Benefits

• Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance.
• Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days.
• Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge.
• LOCATION
• Ruby Labs operates within the CET (Central European Time) zone.
• Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET.

Skills & Technologies

Ruby

Swift

GitHub

iOS

Mobile

Senior

Remote

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Ruby Labs Ltd.

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About Ruby Labs Ltd.

Ruby Labs Ltd. is a London-based product studio that builds and scales consumer subscription mobile and web applications. The company focuses on health, wellness, and productivity verticals, developing apps such as Hint, Able, and the award-winning fitness platform FitCoach. Using data-driven growth and proprietary technology, Ruby Labs rapidly prototypes, launches, and iterates products to serve millions of global users. The team combines engineering, product design, and performance marketing expertise to create sustainable digital businesses. Founded in 2018, Ruby Labs operates a portfolio of self-funded apps, emphasizing user privacy, scientific validation, and long-term customer value.

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